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Xylene 10/a<br />
Order No. 67 33 161<br />
|273<br />
W<br />
Application Range<br />
Standard Measuring Range: 10 to 400 ppm<br />
Number of Strokes n: 5<br />
Time for Measurement:<br />
approx. 1 min.<br />
Standard Deviation: ± 20 to 30 %<br />
Color Change:<br />
white ä red brown<br />
Ambient Operating Conditions<br />
Temperature: 0 to 40 °C<br />
Absolute Humidity:<br />
3 to 15 mg H 2 O / L<br />
Reaction Principle<br />
C 6 H 4 (CH 3 ) 2 + HCHO + H 2 SO 4 ä quinoid reaction product<br />
Cross Sensitivity<br />
Styrene, vinyl acetate, toluene, ethyl benzene and acetaldehyde<br />
are indicated, but with different sensitivities.<br />
No interference by:<br />
500 ppm octane<br />
200 ppm methanol<br />
400 ppm ethyl acetate<br />
ST-172-2001
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